Can you please provide a simple explanation? Thank you

2. A campus program evenly enrolls undergraduate and graduate students. If a random sample of 4

students is selected from the program to be interviewed about the introduction of a new fast food

outlet on the ground floor of the campus building, what is the probability that all 4 students selected are

undergraduate students?

a) 1

b) 0.0625

c)0.0256

d) 0.16